DEWALT DCD799B
Score: 88/100
Metabo HPT DH3628
Score: 88/100Rankings
The DEWALT DCD799B is a bare-tool, 20V MAX* ATOMIC COMPACT SERIES brushless hammer drill designed for high performance in confined spaces. Its primary limitation is the lack of included batteries and charger, requiring users to invest in the 20V MAX ecosystem. It is best suited for professionals such as electricians and plumbers who need maximum power in tight areas.
The Metabo HPT DH3628DAQ4 is a powerful cordless rotary hammer with hybrid power capabilities, allowing operation on batteries or AC adapter. It features a brushless motor and advanced vibration protection, making it ideal for heavy-duty concrete work. The main drawbacks are its weight and the fact that it is sold as a tool-only unit.
| Attribute | | |
|---|---|---|
20 V | 36 Vbest | |
12.7 mm | 28.575 mmbest | |
28,050 BPMbest | 4,300 BPM | |
— | 3.11 Jbest | |
| ↓ lower better | 1.15 kgbest | 3.18 kg |
— | 28.575 mmbest | |
1,650 RPMbest | 950 RPM | |
2best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Power & Energy(1) | ||
Voltage (V) | 20 V | 36 V |
Chuck & Bits(2) | ||
Chuck Size (mm) | 12.7 mm | 28.575 mm |
Chuck Type | Keyless | SDS Plus |
Ergonomics & Design(2) | ||
Weight (kg) | 1.15 kg | 3.18 kg |
Handle Type | None | Side Handle |
Performance & Speed(2) | ||
Impact Rate (BPM) | 28050 BPM | 4300 BPM |
No-Load Speed (RPM) | 1650 RPM | 950 RPM |
Features & Safety(1) | ||
Operating Modes | Drill/Hammer | Drill, Hammer Drill, Chisel |
Products in the top-left offer the best value (high score, low price).
Professional reviewers, including Pro Tool Reviews, designate the DCD799B as the 'king of the Atomic drill line' due to its combination of highest power output (tested at 520-585 UWO) and compact 6.5-inch form factor. It is highly recommended for professionals who need hammer drill capabilities in a reduced-size profile.
Search results indicate a lack of direct consumer reviews, but common themes from product contexts highlight praise for its compact power and masonry performance in tight spaces. There are no recurring complaints noted in the available data, suggesting general satisfaction with its utility for confined area work.
Professional reviewers and editors favor the Metabo HPT DH3640DAQ2 for its power-to-weight balance in the cordless class. They praise the 11% increase in impact energy and 17% reduction in vibration as significant improvements over the prior model.
Everyday users and professionals generally praise the tool's exceptional power and reduced vibration, noting that it handles rebar and concrete with ease. The ability to use an AC adapter for long jobs is frequently cited as a major benefit.
“Insane power for cordless-8.6 ft-lbs eats rebar like butter”
“Vibration is way better, hands don't go numb after hours”
“AC adapter is clutch for big jobs without battery swaps”
